diff --git a/tests/qos/files/qos_params.th5.yaml b/tests/qos/files/qos_params.th5.yaml
index 7b5a98e751..02810521de 100644
--- a/tests/qos/files/qos_params.th5.yaml
+++ b/tests/qos/files/qos_params.th5.yaml
@@ -200,3 +200,123 @@ qos_params:
         topo-t0-standalone-256: *topo-t0-standalone
         topo-t0-standalone-32:  *topo-t0-standalone
         topo-lt2-p32o64:  *topo-t0-standalone
+        topo-lt2-o128:
+            400000_500m:
+                hdrm_pool_size:
+                    dscps:
+                    - 3
+                    - 4
+                    dst_port_id: 0
+                    ecn: 1
+                    margin: 2
+                    pgs:
+                    - 3
+                    - 4
+                    pgs_num: 22
+                    pkts_num_hdrm_full: 4474
+                    pkts_num_hdrm_partial: 3326
+                    pkts_num_trig_pfc: 108469
+                lossy_queue_1:
+                    dscp: 8
+                    ecn: 1
+                    pg: 0
+                    pkts_num_margin: 4
+                    pkts_num_trig_egr_drp: 108442
+                pkts_num_egr_mem: 376
+                pkts_num_leak_out: 0
+                wm_pg_headroom:
+                    cell_size: 254
+                    dscp: 3
+                    ecn: 1
+                    pg: 3
+                    pkts_num_margin: 4
+                    pkts_num_trig_ingr_drp: 112944
+                    pkts_num_trig_pfc: 108469
+                wm_pg_shared_lossless:
+                    cell_size: 254
+                    dscp: 3
+                    ecn: 1
+                    packet_size: 64
+                    pg: 3
+                    pkts_num_fill_min: 34
+                    pkts_num_margin: 4
+                    pkts_num_trig_pfc: 108469
+                wm_pg_shared_lossy:
+                    cell_size: 254
+                    dscp: 8
+                    ecn: 1
+                    packet_size: 64
+                    pg: 0
+                    pkts_num_fill_min: 7
+                    pkts_num_margin: 4
+                    pkts_num_trig_egr_drp: 108442
+                wm_q_shared_lossless:
+                    cell_size: 254
+                    dscp: 3
+                    ecn: 1
+                    pkts_num_fill_min: 0
+                    pkts_num_margin: 4
+                    pkts_num_trig_ingr_drp: 112944
+                    queue: 3
+                wm_q_shared_lossy:
+                    cell_size: 254
+                    dscp: 8
+                    ecn: 1
+                    pkts_num_fill_min: 7
+                    pkts_num_margin: 4
+                    pkts_num_trig_egr_drp: 108442
+                    queue: 0
+                xoff_1:
+                    dscp: 3
+                    ecn: 1
+                    pg: 3
+                    pkts_num_margin: 4
+                    pkts_num_trig_ingr_drp: 112944
+                    pkts_num_trig_pfc: 108469
+                xoff_2:
+                    dscp: 4
+                    ecn: 1
+                    pg: 4
+                    pkts_num_margin: 4
+                    pkts_num_trig_ingr_drp: 112944
+                    pkts_num_trig_pfc: 108469
+                xon_1:
+                    dscp: 3
+                    ecn: 1
+                    pg: 3
+                    pkts_num_dismiss_pfc: 14
+                    pkts_num_margin: 4
+                    pkts_num_trig_pfc: 108469
+                xon_2:
+                    dscp: 4
+                    ecn: 1
+                    pg: 4
+                    pkts_num_dismiss_pfc: 14
+                    pkts_num_margin: 4
+                    pkts_num_trig_pfc: 108469
+            cell_size: 254
+            hdrm_pool_wm_multiplier: 1
+            wrr:
+                ecn: 1
+                limit: 80
+                q0_num_of_pkts: 140
+                q1_num_of_pkts: 140
+                q2_num_of_pkts: 140
+                q3_num_of_pkts: 150
+                q4_num_of_pkts: 150
+                q5_num_of_pkts: 140
+                q6_num_of_pkts: 140
+                q7_num_of_pkts: 140
+            wrr_chg:
+                ecn: 1
+                limit: 80
+                lossless_weight: 30
+                lossy_weight: 8
+                q0_num_of_pkts: 80
+                q1_num_of_pkts: 80
+                q2_num_of_pkts: 80
+                q3_num_of_pkts: 300
+                q4_num_of_pkts: 300
+                q5_num_of_pkts: 80
+                q6_num_of_pkts: 80
+                q7_num_of_pkts: 80